MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2571a03d8d476c2e0eea7edfb0928706c8499ef590d24db9a3f5757bec795fe0. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
GurcuStealer
Vendor detections: 14
| SHA256 hash: | 2571a03d8d476c2e0eea7edfb0928706c8499ef590d24db9a3f5757bec795fe0 |
|---|---|
| SHA3-384 hash: | 8e8cbca2b748bff33b2085a8ffe9486f6630f63cb23f564488e1ce97ed282787cc6f4a38dbc49252c5f29aaad285bdbc |
| SHA1 hash: | c3c557e2a34e6ad0c7fc8b06591d0086a28a8051 |
| MD5 hash: | 50a6880b7a2cfb41d50b9fa34438b8fa |
| humanhash: | failed-undress-helium-king |
| File name: | file |
| Download: | download sample |
| Signature | GurcuStealer |
| File size: | 5'844'480 bytes |
| First seen: | 2024-12-04 08:56:07 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 98304:aGl27OuKr+gvhf2U9Nzm31PMoslkqXf0FvUcwti78OqJ7TPBvc8X6Uc:adOuK6mn9NzgMoYkSIvUcwti7TQlvciE |
| TLSH | T17946F126F6D500D8E9E74178827B6B67EA7031011310ABDB53D049B96F23BE27A7F319 |
| TrID | 44.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 34.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 6.3% (.EXE) Win64 Executable (generic) (10522/11/4) 3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.0% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Magika | pebin |
| Reporter |  Bitsight |
| Tags: | exe GurcuStealer |
Intelligence
File Origin
# of uploads :
1
# of downloads :
439
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-04 08:59:34 UTC
Tags:
github telegram evasion exfiltration stealer arch-doc
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
infosteal virus shell sage
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a file in the %temp% subdirectories
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Changing a file
Creating a window
Creating a file
Running batch commands
Creating a process with a hidden window
Stealing user critical data
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm cmd crypto evasive expand fingerprint lolbin packed rat
Verdict:
Malicious
Labled as:
MSIL.Krypt..Generic
Malware family:
Sofacy
Verdict:
Malicious
Result
Threat name:
Discord Token Stealer, DotStealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Contains functionality to capture screen (.Net source)
Found malware configuration
Machine Learning detection for sample
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Self deletion via cmd or bat file
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses the Telegram API (likely for C&C communication)
Yara detected Costura Assembly Loader
Yara detected Discord Token Stealer
Yara detected DotStealer
Yara detected Telegram RAT
Yara detected Telegram Recon
Behaviour
Behavior Graph:
Score:
49%
Verdict:
Susipicious
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.Amadey
Status:
Malicious
First seen:
2024-12-04 08:57:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 24 (83.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
gurcu
Score:
10/10
Tags:
family:gurcu discovery spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Gurcu family
Gurcu, WhiteSnake
Malware Config
C2 Extraction:
https://api.telegram.org/bot8121067342:AAFL-KN4aKsB4OBMVYX2uU3_ad7ylEISJbY/sendDocument?chat_id=7781867830&caption=%F0%9F%92%A0DOTSTEALER%F0%9F%92%A0%0A%F0%9F%92%ABNew%20log:%0AIP:%20181.215.176.83%0AUsername:%20Admin%0ALocation:%20United%20Kingdom%20[GB],%20London,%20Englan
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
8c54a0c612a5b712a34dd82259288363a873b14751b6b13980c5a4011b65f3a0
MD5 hash:
e5a4e297f3501cddd1f1e949b56e97b2
SHA1 hash:
d7d5886ed673f5b87543faab52c17e6eb555f3c5
SH256 hash:
feb668a6ff4dba93e54a5615e0b5f52b18d43de098463ddbc367e0696ed161d2
MD5 hash:
5c44a102a928b0e25be6e6bd0654d463
SHA1 hash:
a8fbb3e972123f750824db82928c358113478d60
SH256 hash:
2571a03d8d476c2e0eea7edfb0928706c8499ef590d24db9a3f5757bec795fe0
MD5 hash:
50a6880b7a2cfb41d50b9fa34438b8fa
SHA1 hash:
c3c557e2a34e6ad0c7fc8b06591d0086a28a8051
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Detect_PowerShell_Obfuscation |
|---|---|
| Author: | daniyyell |
| Description: | Detects obfuscated PowerShell commands commonly used in malicious scripts. |
| Rule name: | grakate_stealer_nov_2021 |
|---|
| Rule name: | INDICATOR_EXE_Packed_Fody |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables manipulated with Fody |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_References_Browsers |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_SandboxComputerNames |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing possible sandbox analysis VM names |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_SandboxUserNames |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing possible sandbox analysis VM usernames |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing SQL queries to confidential data stores. Observed in infostealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_TelegramChatBot |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables using Telegram Chat Bot |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | RansomPyShield_Antiransomware |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP) |
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
| Rule name: | telegram_bot_api |
|---|---|
| Author: | rectifyq |
| Description: | Detects file containing Telegram Bot API |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Dropped by
Amadey
Delivery method
Distributed via web download
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
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